332312 — Fabricated Structural Metal Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in fabricating structural metal products, such as assemblies of concrete reinforcing bars and fabricated bar joists.
Exclusions & Cross-References
- Manufacturing concrete reinforcing bars in an iron and steel mill--are classified in Industry 331110, Iron
- and Steel Mills and Ferroalloy Manufacturing;
- Manufacturing metal windows and doors--are classified in U.S. Industry 332321, Metal Window and Door
- Manufacturing;
- Manufacturing metal studs--are classified in U.S. Industry 332322, Sheet Metal Work Manufacturing;
- Constructing buildings, bridges, and other heavy construction projects on site--are classified in Sector 23,
- Construction;
- Manufacturing concrete reinforcing bar by rolling and drawing steel from purchased steel--are classified in
- U.S. Industry 331221, Rolled Steel Shape Manufacturing;
- Building ships, boats, and barges--are classified in Industry 33661, Ship and Boat Building; and
- Prefabricating metal buildings, panels, and sections--are classified in U.S. Industry 332311, Prefabricated
- Metal Building and Component Manufacturing.
Overview Facts
| NAICS Code | 332312 |
|---|---|
| Industry Title | Fabricated Structural Metal Manufacturing |
| SBA Size Standard | 500 employees |
| IRS PBA Code | 332300 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 332 → 3323 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3441 - Fabricated Structural Metal (via SIC1987:3441→NAICS1997:332312→2002:332312→2007:332312→2012:332312→2017:332312→2022:332312)
- SIC 3449 - Miscellaneous Structural Metal Work (via SIC1987:3449→NAICS1997:332312→2002:332312→2007:332312→2012:332312→2017:332312→2022:332312)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 332312:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 3323
Frequently Asked Questions (FAQ)
Is 332312 a valid 2022 NAICS code?
NAICS 332312 is 'Fabricated Structural Metal Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 500 employees.
What is the SBA size standard for NAICS 332312?
The SBA small business size standard for NAICS 332312 is 500 employees (based on employees).
What is the legacy SIC code mapping for 332312?
NAICS code 332312 maps to the legacy 1987 SIC codes: 3441 - Fabricated Structural Metal, 3449 - Miscellaneous Structural Metal Work.